First checkin

Dockerfile

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+FROM ubuntu
+
+ENV TZ="America/New_York"
+RUN apt update
+RUN DEBIAN_FRONTEND=noninteractive apt-get -y install \
+    certbot \
+    git \
+    python3-setuptools \
+    python3-pip
+
+RUN cd /opt && git clone https://github.com/gentoo-root/certbot-dns-henet.git
+RUN cd /opt/certbot-dns-henet && python3 setup.py build
+RUN cd /opt/certbot-dns-henet && python3 setup.py test
+RUN cd /opt/certbot-dns-henet && python3 setup.py install
+
+RUN install -m 700 -d /etc/letsencrypt/dns-credentials
+ADD henet /etc/letsencrypt/dns-credentials/henet
+CMD tail -f /dev/null